diff --git a/roles/common/tasks/backup.yml b/roles/common/tasks/backup.yml
index 608c6fd..09e326b 100644
--- a/roles/common/tasks/backup.yml
+++ b/roles/common/tasks/backup.yml
@@ -4,8 +4,8 @@
 #      -> via autofs + sshfs (permet de libérer la connexion en dehors de la phase de backups)
 #   2. Chiffrement avec clé symétrique. La clé n'est connue que par l'host
 #      -> Stocker la clé dans un lieu sûr
-# 2. D'autres machines se connectent pour récupérer les backups (rsync):
-#   1. En sftp chrooté via l'user "backup-sync"
+# 2. D'autres machines se connectent pour récupérer les backups:
+#   1. Seul rsync est autorisé (rrsync), pour l'user "backup-sync", et "chrooté" sur le point de montage de la storage box
 #   2. Donner accès SSH pour ces machines à l'user "backup-sync"
 # Note: L'user "backup" est déjà utilisé par Ubuntu, donc ne pas l'utiliser pour éviter des conflits (mauvais home, etc.)
 
@@ -24,6 +24,26 @@
     mode: "755"
   when: not storage_box_enabled
 
+- name: Install rsync package
+  apt:
+    name: rsync
+    state: present
+
+- name: Check location of rrsync script
+  stat:
+    path: /usr/share/doc/rsync/scripts/rrsync
+  register: _rrsync
+
+- name: Copy rrsync script
+  file:
+    src: /usr/share/doc/rsync/scripts/rrsync
+    dest: /usr/local/bin/rrsync
+    state: link
+    owner: root
+    group: root
+    mode: "755"
+  when: _rrsync.stat.isreg | default(false)
+
 - name: Include Storage Box backup tasks
   import_tasks: backup_storage_box.yml
   when: storage_box_enabled
diff --git a/roles/common/tasks/nginx.yml b/roles/common/tasks/nginx.yml
index ab445a4..eba8aad 100644
--- a/roles/common/tasks/nginx.yml
+++ b/roles/common/tasks/nginx.yml
@@ -37,6 +37,7 @@
     group: www-data
   async: 3600
   poll: 0
+  changed_when: no
   register: nginx_dh
 
 - name: Use snakoil cert key as Nginx's default private key
diff --git a/roles/common/tasks/repos.yml b/roles/common/tasks/repos.yml
index d9f987f..914397a 100644
--- a/roles/common/tasks/repos.yml
+++ b/roles/common/tasks/repos.yml
@@ -9,4 +9,12 @@
 - name: Install unattended-upgrades for automatic upgrades
   apt:
     name: unattended-upgrades
-    state: present
\ No newline at end of file
+    state: present
+
+- name: Install common packages
+  apt:
+    name: "{{ package }}"
+    state: present
+  loop: "{{ common_packages }}"
+  loop_control:
+    loop_var: package
\ No newline at end of file
diff --git a/roles/common/templates/openssh/sshd_config.j2 b/roles/common/templates/openssh/sshd_config.j2
index 7b00c99..6bfbf96 100644
--- a/roles/common/templates/openssh/sshd_config.j2
+++ b/roles/common/templates/openssh/sshd_config.j2
@@ -16,8 +16,7 @@ AcceptEnv LANG LC_*
 
 Subsystem	sftp	internal-sftp
 
-Match Group {{ backup_owner }}
+Match Group {{ backup_group }}
   X11Forwarding no
   AllowTcpForwarding no
-  ChrootDirectory {{ backup_chroot_dir }}
-  ForceCommand internal-sftp
+  ForceCommand rrsync {{ backup_chroot_dir | quote }}
\ No newline at end of file
diff --git a/roles/common/vars/main.yml b/roles/common/vars/main.yml
index a3ce5b1..9a554a6 100644
--- a/roles/common/vars/main.yml
+++ b/roles/common/vars/main.yml
@@ -1,3 +1,7 @@
+common_packages:
+  - vim
+  - ncdu
+  - htop
 ssh_config_dir: "{{ ansible_env.HOME }}/.ssh"
 storage_box_prefix: storage-box
 storage_box_packages: